<template>
  <!-- 最外层的容器 -->
  <view class="my-settle-container">
    <!-- 全选区域 -->
    <label class="radio" @click="changeAllState">
      <radio color="#C00000" :checked="isFullCheck" /><text>全选</text>
    </label>
  
    <!-- 合计区域 -->
    <view class="amount-box">
      合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
  
    <!-- 结算按钮 -->
    <view class="btn-settle" @click="settlement">结算{{checkedCount}}</view>
  </view>
</template>

<script>
  import{ mapGetters,mapMutations,mapState } from 'vuex'
  export default {
    name:"my-settle",
    computed: {
      ...mapGetters('m_user',['addstr']),
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      ...mapState('m_user',['token']),
      ...mapState('m_cart',['cart']),
      
      isFullCheck(){
        return this.checkedCount===this.total
      }
    },
    methods: {
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      changeAllState(){
        this.updateAllGoodsState(!this.isFullCheck)
      },
      //点击结算按钮
      settlement(){
        // 1. 先判断是否勾选了要结算的商品
        if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品！')
        // 2. 再判断用户是否选择了收货地址
        if(!this.addstr) return uni.$showMsg('请选择收货地址！')
        // 3. 最后判断用户是否登录了
        //if(!this.token) return ini.$showMsg('请先登录！')
        //if(this.token==='DSGAG984AS484ASG') return this.delayNavigate(),
        //实现微信支付功能
        this.payOrder()
        
      },
      //微信支付
      async payOrder(){
        //1.创建订单
        //组织信息对象
        const oredrInfo = {
           // 开发期间，注释掉真实的订单价格，
           // order_price: this.checkedGoodsAmount,
           // 写死订单总价为 1 分钱
           order_price: 0.01,
           consignee_addr: this.addstr,
           goods: this.cart.filter(x=> x.goods_state).map(x=> ({goods_id:x.goods_id,goods_number:x.goods_count,goods_price:x.goods_price}))
        }
        //发起请求创建订单
       const {data: res}= await uni.$http.post('/api/public/v1/my/orders/create',oredrInfo)
       if(res.meta.status!==200) return uni.$showMsg('创建订单失败！')
       //得到服务器响应的订单编号
       const orderNumber=res.message.order_number
       
       //订单预支付
       //发起请求获取订单支付信息
       const {data:res2}= await nui.$http.post('api/public/v1/my/orders/req_unifiedorder',{order_number: orderNumber})
       if(res2.meta.status!== 200) return uni.$showMsg('预付订单生成失败')
       //得到订单支付相关的必要参数
       const payInfo=res2.message.pay
       
       //发起微信支付
       const {err,succ}= await nui.requestPayment(payInfo)
       if(err) return uni.$showMsg('订单未支付!')
       //完成了支付，进一步查询支付的结果
       const {data:res3}= await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
       if(res3.meta.status!==200) return uni.$showMsg('订单未支付!!')
       //检查到订单支付完成
       uni.showToast({
         title:'支付完成！',
         icon:'success'
       })
      },
      //展示倒计时的提示消息
      showTips(n){
        uni.showToast({
          icon:'none',
          title:'请登录后再结算！' + n + '秒后跳转到登录页',
          mask: true,
          duration: 1500
        })
      },
      //延迟导航到my页面
      delayNavigate() {
        this.showTips(this.seconds)
        //创建定时器
          this.timer= setInterval(()=> {
            this.seconds--
            if(this.seconds<=0){
              //清除定时器
              clearInterval(this.timer)
              uni.switchTab({
                url:'/pages/my/my',
                //页面跳转成功后的回调函数
                success:()=>{
                  this.updateRedirectInfo({
                    //跳转方式
                  openType: 'switchTab',
                  from: '/pages/cart/cart'
                  })
                }
              })
              this.seconds=3
              return 
            }
            this.showTips(this.seconds)
          },1000)
        
      }
      
    },
    data() {
      return {
        //倒计时的秒数
        seconds: 3,
        //定时器Id
        timer:null
      };
    },
  }
</script>

<style lang="scss">
.my-settle-container {
  /* 底部固定定位 */
  position: fixed;
  bottom: 0;
  left: 0;
  /* 设置宽高和背景色 */
  width: 100%;
  height: 50px;
    // 将背景色从 cyan 改为 white
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 5px;
    font-size: 14px;
  
    .radio {
      display: flex;
      align-items: center;
    }
  
    .amount {
      color: #c00000;
    }
  
    .btn-settle {
      height: 50px;
      min-width: 100px;
      background-color: #c00000;
      color: white;
      line-height: 50px;
      text-align: center;
      padding: 0 10px;
    }
}
</style>